Esc Control Electronics LLC · Electronic Components
21A42
Delay Line — Miscellaneous Electrical Components
Part Number21A42
ManufacturerEsc Control Electronics LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-204-4935 (NSN)
Federal Item NameDELAY LINE
Federal Supply Class5999 — Miscellaneous Electrical Components
Body StyleRECTANGULAR
Signal Delay MethodLUMPED CONSTANT
Pulse Rise Time Rating3.3 NANOSECONDS
Input Impedance Rating50.000 OHMS
Delay Time Variation Per Deg Celsi0.020 NANOSECONDS
Voltage Rating50.000 VOLTS NOMINAL
Terminal TypePIN
Body Width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM
Step Quantity10
Attenuation In Decibels1.000
Individual Section Quantity1
Vendor Part Numbers167069-1
ESD/EMICode B — ESD/EMI sensitive item
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is 21A42 available?
We can source 21A42 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 21A42 by Esc Control Electronics LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21A42 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 21A42?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 21A42?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.